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Add all cast instructions to lib

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This commit is contained in:
Sofia 2025-07-22 14:05:50 +03:00
parent a6c9752883
commit e73b939de0
4 changed files with 362 additions and 108 deletions
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138
reid-llvm-lib/src/builder.rs
View File

@ -4,8 +4,8 @@
use std::{cell::RefCell, rc::Rc};
use crate::{
BlockData, CustomTypeKind, FunctionData, Instr, InstructionData, ModuleData, NamedStruct,
TerminatorKind, Type, TypeCategory, TypeData,
Block, BlockData, CustomTypeKind, FunctionData, Instr, InstructionData, ModuleData,
NamedStruct, TerminatorKind, Type, TypeCategory, TypeData,
debug_information::{
DebugInformation, DebugLocationValue, DebugMetadataValue, DebugProgramValue,
InstructionDebugRecordData,
@ -467,6 +467,18 @@ impl Builder {
_ => Err(()),
}
}
Instr::Trunc(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
Instr::ZExt(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
Instr::SExt(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
Instr::FPTrunc(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
Instr::FPExt(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
Instr::FPToUI(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
Instr::FPToSI(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
Instr::UIToFP(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
Instr::SIToFP(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
Instr::PtrToInt(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
Instr::IntToPtr(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
Instr::BitCast(instr, ty) => instr.cast_to(self, &ty).map(|_| ()),
}
}
}
@ -505,3 +517,125 @@ impl Builder {
}
}
}
impl InstructionValue {
pub fn with_location(self, block: &Block, location: DebugLocationValue) -> InstructionValue {
unsafe {
block.builder.add_instruction_location(&self, location);
}
self
}
pub fn maybe_location(
self,
block: &mut Block,
location: Option<DebugLocationValue>,
) -> InstructionValue {
unsafe {
if let Some(location) = location {
block.builder.add_instruction_location(&self, location);
}
}
self
}
pub fn add_record(&self, block: &mut Block, record: InstructionDebugRecordData) {
unsafe {
block.builder.add_instruction_record(self, record);
}
}
pub(crate) fn get_type(&self, builder: &Builder) -> Result<Type, ()> {
use Instr::*;
unsafe {
match &builder.instr_data(self).kind {
Param(nth) => builder
.function_data(&self.0.0)
.params
.get(*nth)
.cloned()
.ok_or(()),
Constant(c) => Ok(c.get_type()),
Add(lhs, rhs) => match_types(lhs, rhs, &builder),
FAdd(lhs, rhs) => match_types(lhs, rhs, &builder),
Sub(lhs, rhs) => match_types(lhs, rhs, &builder),
FSub(lhs, rhs) => match_types(lhs, rhs, &builder),
Mul(lhs, rhs) => match_types(lhs, rhs, &builder),
FMul(lhs, rhs) => match_types(lhs, rhs, &builder),
UDiv(lhs, rhs) => match_types(lhs, rhs, &builder),
SDiv(lhs, rhs) => match_types(lhs, rhs, &builder),
FDiv(lhs, rhs) => match_types(lhs, rhs, &builder),
URem(lhs, rhs) => match_types(lhs, rhs, &builder),
SRem(lhs, rhs) => match_types(lhs, rhs, &builder),
FRem(lhs, rhs) => match_types(lhs, rhs, &builder),
And(lhs, rhs) => match_types(lhs, rhs, &builder),
ICmp(_, _, _) => Ok(Type::Bool),
FCmp(_, _, _) => Ok(Type::Bool),
FunctionCall(function_value, _) => Ok(builder.function_data(function_value).ret),
Phi(values) => values.first().ok_or(()).and_then(|v| v.get_type(&builder)),
Alloca(ty) => Ok(Type::Ptr(Box::new(ty.clone()))),
Load(_, ty) => Ok(ty.clone()),
Store(_, value) => value.get_type(builder),
ArrayAlloca(ty, _) => Ok(Type::Ptr(Box::new(ty.clone()))),
GetElemPtr(instr, _) => {
let instr_ty = instr.get_type(builder)?;
let Type::Ptr(inner_ty) = &instr_ty else {
panic!("GetStructElemPtr on non-pointer! ({:?})", &instr_ty)
};
match *inner_ty.clone() {
Type::Array(elem_ty, _) => Ok(Type::Ptr(Box::new(*elem_ty.clone()))),
_ => Ok(instr_ty),
}
}
GetStructElemPtr(instr, idx) => {
let instr_ty = instr.get_type(builder)?;
let Type::Ptr(inner_ty) = instr_ty else {
panic!("GetStructElemPtr on non-pointer! ({:?})", &instr_ty)
};
let Type::CustomType(ty_value) = *inner_ty else {
panic!("GetStructElemPtr on non-struct! ({:?})", &inner_ty)
};
let field_ty = match builder.type_data(&ty_value).kind {
CustomTypeKind::NamedStruct(NamedStruct(_, fields)) => {
fields.get_unchecked(*idx as usize).clone()
}
};
Ok(Type::Ptr(Box::new(field_ty)))
}
ExtractValue(instr, idx) => {
let instr_ty = instr.get_type(builder)?;
Ok(match instr_ty {
Type::CustomType(struct_ty) => {
let data = builder.type_data(&struct_ty);
match data.kind {
CustomTypeKind::NamedStruct(named_struct) => {
named_struct.1.get(*idx as usize).unwrap().clone()
}
}
}
Type::Array(elem_ty, _) => *elem_ty.clone(),
_ => return Err(()),
})
}
Trunc(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
ZExt(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
SExt(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
FPTrunc(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
FPExt(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
FPToUI(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
FPToSI(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
UIToFP(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
SIToFP(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
PtrToInt(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
IntToPtr(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
BitCast(instr, ty) => instr.cast_to(builder, ty).map(|_| ty.clone()),
}
}
}
fn cast_to(&self, builder: &Builder, ty: &Type) -> Result<Instr, ()> {
self.get_type(builder)?
.cast_instruction(*self, &ty)
.ok_or(())
}
}

72
reid-llvm-lib/src/compile.rs
View File

@ -943,6 +943,78 @@ impl InstructionHolder {
*idx,
name.as_ptr(),
),
Trunc(instr_val, ty) => LLVMBuildTrunc(
module.builder_ref,
module.values.get(instr_val).unwrap().value_ref,
ty.as_llvm(module.context_ref, &module.types),
name.as_ptr(),
),
ZExt(instr_val, ty) => LLVMBuildZExt(
module.builder_ref,
module.values.get(instr_val).unwrap().value_ref,
ty.as_llvm(module.context_ref, &module.types),
name.as_ptr(),
),
SExt(instr_val, ty) => LLVMBuildSExt(
module.builder_ref,
module.values.get(instr_val).unwrap().value_ref,
ty.as_llvm(module.context_ref, &module.types),
name.as_ptr(),
),
FPTrunc(instr_val, ty) => LLVMBuildTrunc(
module.builder_ref,
module.values.get(instr_val).unwrap().value_ref,
ty.as_llvm(module.context_ref, &module.types),
name.as_ptr(),
),
FPExt(instr_val, ty) => LLVMBuildFPExt(
module.builder_ref,
module.values.get(instr_val).unwrap().value_ref,
ty.as_llvm(module.context_ref, &module.types),
name.as_ptr(),
),
FPToUI(instr_val, ty) => LLVMBuildFPToUI(
module.builder_ref,
module.values.get(instr_val).unwrap().value_ref,
ty.as_llvm(module.context_ref, &module.types),
name.as_ptr(),
),
FPToSI(instr_val, ty) => LLVMBuildFPToSI(
module.builder_ref,
module.values.get(instr_val).unwrap().value_ref,
ty.as_llvm(module.context_ref, &module.types),
name.as_ptr(),
),
UIToFP(instr_val, ty) => LLVMBuildUIToFP(
module.builder_ref,
module.values.get(instr_val).unwrap().value_ref,
ty.as_llvm(module.context_ref, &module.types),
name.as_ptr(),
),
SIToFP(instr_val, ty) => LLVMBuildSIToFP(
module.builder_ref,
module.values.get(instr_val).unwrap().value_ref,
ty.as_llvm(module.context_ref, &module.types),
name.as_ptr(),
),
PtrToInt(instr_val, ty) => LLVMBuildPtrToInt(
module.builder_ref,
module.values.get(instr_val).unwrap().value_ref,
ty.as_llvm(module.context_ref, &module.types),
name.as_ptr(),
),
IntToPtr(instr_val, ty) => LLVMBuildIntToPtr(
module.builder_ref,
module.values.get(instr_val).unwrap().value_ref,
ty.as_llvm(module.context_ref, &module.types),
name.as_ptr(),
),
BitCast(instr_val, ty) => LLVMBuildBitCast(
module.builder_ref,
module.values.get(instr_val).unwrap().value_ref,
ty.as_llvm(module.context_ref, &module.types),
name.as_ptr(),
),
}
};
if let Some(record) = &self.record {

36
reid-llvm-lib/src/fmt.rs
View File

@ -342,6 +342,42 @@ impl Debug for Instr {
Instr::ExtractValue(instruction_value, index) => {
fmt_index(f, instruction_value, &index.to_string())
}
Instr::Trunc(instr_val, ty) => {
write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
}
Instr::ZExt(instr_val, ty) => {
write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
}
Instr::SExt(instr_val, ty) => {
write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
}
Instr::FPTrunc(instr_val, ty) => {
write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
}
Instr::FPExt(instr_val, ty) => {
write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
}
Instr::FPToUI(instr_val, ty) => {
write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
}
Instr::FPToSI(instr_val, ty) => {
write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
}
Instr::UIToFP(instr_val, ty) => {
write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
}
Instr::SIToFP(instr_val, ty) => {
write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
}
Instr::PtrToInt(instr_val, ty) => {
write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
}
Instr::IntToPtr(instr_val, ty) => {
write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
}
Instr::BitCast(instr_val, ty) => {
write!(f, "{:?} to {:?} ({})", instr_val, ty, self.default_name())
}
}
}
}

224
reid-llvm-lib/src/lib.rs
View File

@ -233,6 +233,18 @@ impl Instr {
Instr::ICmp(..) => "icmp",
Instr::FunctionCall(..) => "call",
Instr::FCmp(_, _, _) => "fcmp",
Instr::Trunc(_, _) => "trunc",
Instr::ZExt(_, _) => "zext",
Instr::SExt(_, _) => "sext",
Instr::FPTrunc(_, _) => "fptrunc",
Instr::FPExt(_, _) => "pfext",
Instr::FPToUI(_, _) => "fptoui",
Instr::FPToSI(_, _) => "fptosi",
Instr::UIToFP(_, _) => "uitofp",
Instr::SIToFP(_, _) => "sitofp",
Instr::PtrToInt(_, _) => "ptrtoint",
Instr::IntToPtr(_, _) => "inttoptr",
Instr::BitCast(_, _) => "bitcast",
}
}
}
@ -310,34 +322,6 @@ impl<'builder> Block<'builder> {
}
}
impl InstructionValue {
pub fn with_location(self, block: &Block, location: DebugLocationValue) -> InstructionValue {
unsafe {
block.builder.add_instruction_location(&self, location);
}
self
}
pub fn maybe_location(
self,
block: &mut Block,
location: Option<DebugLocationValue>,
) -> InstructionValue {
unsafe {
if let Some(location) = location {
block.builder.add_instruction_location(&self, location);
}
}
self
}
pub fn add_record(&self, block: &mut Block, record: InstructionDebugRecordData) {
unsafe {
block.builder.add_instruction_record(self, record);
}
}
}
#[derive(Clone)]
pub struct InstructionData {
kind: Instr,
@ -355,6 +339,7 @@ pub enum CmpPredicate {
NE,
}
/// https://llvm.org/docs/LangRef.html#instruction-reference
#[derive(Clone)]
pub enum Instr {
Param(usize),
@ -397,8 +382,56 @@ pub enum Instr {
/// Integer Comparison
ICmp(CmpPredicate, InstructionValue, InstructionValue),
/// FLoat Comparison
FCmp(CmpPredicate, InstructionValue, InstructionValue),
/// The `trunc` instruction truncates the high order bits in value and
/// converts the remaining bits to ty2. Since the source size must be larger
/// than the destination size, `trunc` cannot be a no-op cast. It will
/// always truncate bits.
Trunc(InstructionValue, Type),
/// The `zext` fills the high order bits of the value with zero bits until
/// it reaches the size of the destination type, ty2.
ZExt(InstructionValue, Type),
/// The `sext` instruction performs a sign extension by copying the sign bit
/// (highest order bit) of the value until it reaches the bit size of the
/// type ty2.
SExt(InstructionValue, Type),
/// The `fptrunc` instruction casts a value from a larger floating-point
/// type to a smaller floating-point type.
FPTrunc(InstructionValue, Type),
/// The `fpext` instruction extends the value from a smaller floating-point
/// type to a larger floating-point type.
FPExt(InstructionValue, Type),
/// The `fptoui` instruction takes a value to cast, which must be a scalar
/// or vector floating-point value, and a type to cast it to ty2, which must
/// be an integer type.
FPToUI(InstructionValue, Type),
/// The `fptosi` instruction takes a value to cast, which must be a scalar
/// or vector floating-point value, and a type to cast it to ty2, which must
/// be an integer type.
FPToSI(InstructionValue, Type),
/// The `uitofp` instruction takes a value to cast, which must be a scalar
/// or vector integer value, and a type to cast it to ty2, which must be an
/// floating-point type.
UIToFP(InstructionValue, Type),
/// The `sitofp` instruction takes a value to cast, which must be a scalar
/// or vector integer value, and a type to cast it to ty2, which must be an
/// floating-point type
SIToFP(InstructionValue, Type),
/// The `ptrtoint` instruction converts value to integer type ty2 by
/// interpreting the all pointer representation bits as an integer
/// (equivalent to a bitcast) and either truncating or zero extending that
/// value to the size of the integer type.
PtrToInt(InstructionValue, Type),
/// The `inttoptr` instruction converts value to type ty2 by applying either
/// a zero extension or a truncation depending on the size of the integer
/// value.
IntToPtr(InstructionValue, Type),
/// The `bitcast` instruction converts value to type ty2. It is always a
/// no-op cast because no bits change with this conversion.
BitCast(InstructionValue, Type),
FunctionCall(FunctionValue, Vec<InstructionValue>),
}
@ -473,84 +506,6 @@ pub enum CustomTypeKind {
#[derive(Debug, PartialEq, Eq, Clone, Hash)]
pub struct NamedStruct(pub String, pub Vec<Type>);
impl InstructionValue {
pub(crate) fn get_type(&self, builder: &Builder) -> Result<Type, ()> {
use Instr::*;
unsafe {
match &builder.instr_data(self).kind {
Param(nth) => builder
.function_data(&self.0.0)
.params
.get(*nth)
.cloned()
.ok_or(()),
Constant(c) => Ok(c.get_type()),
Add(lhs, rhs) => match_types(lhs, rhs, &builder),
FAdd(lhs, rhs) => match_types(lhs, rhs, &builder),
Sub(lhs, rhs) => match_types(lhs, rhs, &builder),
FSub(lhs, rhs) => match_types(lhs, rhs, &builder),
Mul(lhs, rhs) => match_types(lhs, rhs, &builder),
FMul(lhs, rhs) => match_types(lhs, rhs, &builder),
UDiv(lhs, rhs) => match_types(lhs, rhs, &builder),
SDiv(lhs, rhs) => match_types(lhs, rhs, &builder),
FDiv(lhs, rhs) => match_types(lhs, rhs, &builder),
URem(lhs, rhs) => match_types(lhs, rhs, &builder),
SRem(lhs, rhs) => match_types(lhs, rhs, &builder),
FRem(lhs, rhs) => match_types(lhs, rhs, &builder),
And(lhs, rhs) => match_types(lhs, rhs, &builder),
ICmp(_, _, _) => Ok(Type::Bool),
FCmp(_, _, _) => Ok(Type::Bool),
FunctionCall(function_value, _) => Ok(builder.function_data(function_value).ret),
Phi(values) => values.first().ok_or(()).and_then(|v| v.get_type(&builder)),
Alloca(ty) => Ok(Type::Ptr(Box::new(ty.clone()))),
Load(_, ty) => Ok(ty.clone()),
Store(_, value) => value.get_type(builder),
ArrayAlloca(ty, _) => Ok(Type::Ptr(Box::new(ty.clone()))),
GetElemPtr(instr, _) => {
let instr_ty = instr.get_type(builder)?;
let Type::Ptr(inner_ty) = &instr_ty else {
panic!("GetStructElemPtr on non-pointer! ({:?})", &instr_ty)
};
match *inner_ty.clone() {
Type::Array(elem_ty, _) => Ok(Type::Ptr(Box::new(*elem_ty.clone()))),
_ => Ok(instr_ty),
}
}
GetStructElemPtr(instr, idx) => {
let instr_ty = instr.get_type(builder)?;
let Type::Ptr(inner_ty) = instr_ty else {
panic!("GetStructElemPtr on non-pointer! ({:?})", &instr_ty)
};
let Type::CustomType(ty_value) = *inner_ty else {
panic!("GetStructElemPtr on non-struct! ({:?})", &inner_ty)
};
let field_ty = match builder.type_data(&ty_value).kind {
CustomTypeKind::NamedStruct(NamedStruct(_, fields)) => {
fields.get_unchecked(*idx as usize).clone()
}
};
Ok(Type::Ptr(Box::new(field_ty)))
}
ExtractValue(instr, idx) => {
let instr_ty = instr.get_type(builder)?;
Ok(match instr_ty {
Type::CustomType(struct_ty) => {
let data = builder.type_data(&struct_ty);
match data.kind {
CustomTypeKind::NamedStruct(named_struct) => {
named_struct.1.get(*idx as usize).unwrap().clone()
}
}
}
Type::Array(elem_ty, _) => *elem_ty.clone(),
_ => return Err(()),
})
}
}
}
}
}
impl ConstValue {
pub fn get_type(&self) -> Type {
use Type::*;
@ -657,6 +612,63 @@ impl Type {
}
}
}
pub fn cast_instruction(&self, value: InstructionValue, other: &Type) -> Option<Instr> {
use Type::*;
match (self, other) {
(I8, I16 | I32 | I64 | I128) => Some(Instr::SExt(value, other.clone())),
(I16, I32 | I64 | I128) => Some(Instr::SExt(value, other.clone())),
(I32, I64 | I128) => Some(Instr::SExt(value, other.clone())),
(I64, I128) => Some(Instr::SExt(value, other.clone())),
(I128 | U128, I64 | U64 | I32 | U32 | I16 | U16 | I8 | U8) => {
Some(Instr::Trunc(value, other.clone()))
}
(I64 | U64, I32 | U32 | I16 | U16 | I8 | U8) => {
Some(Instr::Trunc(value, other.clone()))
}
(I32 | U32, I16 | U16 | I8 | U8) => Some(Instr::Trunc(value, other.clone())),
(I16 | U16, I8 | U8) => Some(Instr::Trunc(value, other.clone())),
(U8 | I8, U16 | I16 | U32 | I32 | U64 | I64 | U128 | I128) => {
Some(Instr::ZExt(value, other.clone()))
}
(U16 | I16, U32 | I32 | U64 | I64 | U128 | I128) => {
Some(Instr::ZExt(value, other.clone()))
}
(U32 | I32, U64 | I64 | U128 | I128) => Some(Instr::ZExt(value, other.clone())),
(U64 | I64, U128 | I128) => Some(Instr::ZExt(value, other.clone())),
(U8 | U16 | U32 | U64 | U128, F16 | F32 | F32B | F64 | F80 | F128 | F128PPC) => {
Some(Instr::UIToFP(value, other.clone()))
}
(I8 | I16 | I32 | I64 | I128, F16 | F32 | F32B | F64 | F80 | F128 | F128PPC) => {
Some(Instr::SIToFP(value, other.clone()))
}
(F16 | F32 | F32B | F64 | F80 | F128 | F128PPC, U8 | U16 | U32 | U64 | U128) => {
Some(Instr::FPToUI(value, other.clone()))
}
(F16 | F32 | F32B | F64 | F80 | F128 | F128PPC, I8 | I16 | I32 | I64 | I128) => {
Some(Instr::FPToSI(value, other.clone()))
}
(I128 | U128 | I64 | U64 | I32 | U32 | I16 | U16 | I8 | U8, Ptr(_)) => {
Some(Instr::IntToPtr(value, other.clone()))
}
(Ptr(_), I128 | U128 | I64 | U64 | I32 | U32 | I16 | U16 | I8 | U8) => {
Some(Instr::PtrToInt(value, other.clone()))
}
(F16, F32 | F32B | F64 | F80 | F128 | F128PPC) => {
Some(Instr::FPExt(value, other.clone()))
}
(F32 | F32B, F64 | F80 | F128 | F128PPC) => Some(Instr::FPExt(value, other.clone())),
(F64, F80 | F128 | F128PPC) => Some(Instr::FPExt(value, other.clone())),
(F80, F128 | F128PPC) => Some(Instr::FPExt(value, other.clone())),
(F128PPC | F128, F80 | F64 | F32B | F32 | F16) => {
Some(Instr::FPTrunc(value, other.clone()))
}
(F80, F64 | F32B | F32 | F16) => Some(Instr::FPTrunc(value, other.clone())),
(F64, F32B | F32 | F16) => Some(Instr::FPTrunc(value, other.clone())),
(F32B | F32, F16) => Some(Instr::FPTrunc(value, other.clone())),
_ => None,
}
}
}
#[derive(PartialEq, Eq, PartialOrd, Ord)]